diff --git a/src/Margin/Browser.cs b/src/Margin/Browser.cs
index ddb8abb..36c0611 100644
--- a/src/Margin/Browser.cs
+++ b/src/Margin/Browser.cs
@@ -322,7 +322,7 @@ private string GetHtmlTemplate()
     <meta charset=""utf-8"" />
     <base href=""file:///{baseHref}/"" />
     <style>
-        html, body {{margin: 0}}
+        html, body {{margin: 0; padding-bottom:10px}}
         {cssHighlight}
         {cssPrism}
     </style>";
diff --git a/src/Margin/highlight-dark.css b/src/Margin/highlight-dark.css
index 2a70a03..5eb0ed0 100644
--- a/src/Margin/highlight-dark.css
+++ b/src/Margin/highlight-dark.css
@@ -1,4 +1,7 @@
-.markdown-body {
+body {
+    background: #1f1f1f
+}
+.markdown-body {
     color-scheme: dark;
     -ms-text-size-adjust: 100%;
     -webkit-text-size-adjust: 100%;